Back to FlashcardsBiology / Biology NEET - XI: Chapter 4: Animal Kingdom Part 6
WHat type of water canal system is found in limy sponges?
Tap or swipe ↕ to flip
Swipe ←→Navigate
1/25
Key Terms
Term
Definition
WHat type of water canal system is found in limy sponges?
Ascenoid/syconoid type
Which is the simplest sponge?
Leucosolenia
Leucosolenia is symmetrical. True/False.
True
Which water canal system is found in Hexactinella?
Syconoid
Which sponge is also known as glass rope sponge?
Hyalonema
How many silica spicules do glass sponges have?
Six
Related Flashcard Decks
| Term | Definition |
|---|---|
WHat type of water canal system is found in limy sponges? | Ascenoid/syconoid type |
Which is the simplest sponge? | Leucosolenia |
Leucosolenia is symmetrical. True/False. | True |
Which water canal system is found in Hexactinella? | Syconoid |
Which sponge is also known as glass rope sponge? | Hyalonema |
How many silica spicules do glass sponges have? | Six |
Which class of porifera has spongin spicules? | Demospongia |
Sycon belongs to which class of porifera? | Calcareous sponges |
Rhagon larva is found in which sponge (class) | Spongilla (demispongia) |
Which sponge is also known as dead man's fingers? | Chalina |
Leucon type of water canal system is found in which class of porifera? | Demospongia |
Which coelenterates are colonial? | Obelia and physalia |
How many layers does the body wall of coelenterates have? | Two- epidermis ad gastrodermis (endodermal) |
Which toxin is present in nematocytes? | Hypnotoxin |
In which phylum did nerve cells frist originate? | Coelenterata |
In which phylum did statocysts originate? | Coelenterata |
What is the larval stage of jellyfish (Aurelia) called? | Ephyra |
What is the larval stage of Obelia called? | Planula |
In which class of coelenterata polyp and medusa stage are both observed? | Hydrozoa |
In which class of coelenterata only polyp stages are observed? | Anthozoa |
In which class of coelenterata only medusae stage is observed? | Scyphozoa |
What is the characteristic of mesoglea of hydrozoa? | No cells and fibres in mesoglea |
Which coelenterate is called sea fur? | Obelia |
Corals are members of which class? | Anthozoa |
Sea anemone belongs to which class of coelenterata? | Anthozoa |